PEARL AND GEMSTONE BANGLE, ca. 1920. Fancy snake bangle, the clasp designed as a finely engraved snake's head, decorated with a drop-cut ruby, within a border of 30 small single-cut diamonds, the finely engraved snake's tail decorated with 4 small single-cut diamonds. The bangle of 22 cultured pearls alternately strung with gold intermediate rings.: 